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Collection:
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NASA Planetary Photo Journal Collection
Collection
NASA Planetary Photo Journal Collection
Collection
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Title:
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Hubble Views Colossal Polar Cyclone on Mars
Title
Hubble Views Colossal Polar Cyclone on Mars
Title
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Original Caption Released with Image:
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[left]: Here is the discovery image of the Martian polar storm as seen in blue light (410 nm). The storm is located near 65 deg. N latitude and 85 deg. W longitude, and is more than 1000 miles (1600 km) across. The residual north polar water ice cap is at the top of the image. A belt of clouds like that seen in previous telescopic observations during this Martian season can also be seen in the planet's equatorial regions and northern mid-latitudes, as well as in the southern polar regions. The volcano Ascraeus Mons can be seen as a dark spot poking above the cloud deck near the western (morning) limb. This extinct volcano towers nearly 16 miles (25 km) above the surrounding plains and is about 250 miles (400 km) across.
[upper right]: This is a color polar view of the north polar region, showing the location of the storm relative to the classical bright and dark features in this area. The color composite data (410, 502, and 673 nm) indicate that the storm is fairly dust-free and therefore likely composed mostly of water ice clouds. The bright surface region beneath the eye of the storm can be seen clearly. This map covers the region north of 45 degrees latitude and is oriented with 0 degrees longitude at the bottom.
[lower right]: This is an enhanced orthographic view of the storm centered on 65 deg. N latitude, 85 deg. W longitude. The image has been processed to bring out additional detail in the storm's spiral cloud structures.
The pictures were taken on April 27, 1999 with the NASA Hubble Space Telescope's Wide Field and Planetary Camera 2
Original_Caption_Rel eased_with_Image
[left]: Here is the discovery image of the Martian polar storm as seen in blue light (410 nm). The storm is located near 65 deg. N latitude and 85 deg. W longitude, and is more than 1000 miles (1600 km) across. The residual north polar water ice cap is at the top of the image. A belt of clouds like that seen in previous telescopic observations during this Martian season can also be seen in the planet's equatorial regions and northern mid-latitudes, as well as in the southern polar regions. The volcano Ascraeus Mons can be seen as a dark spot poking above the cloud deck near the western (morning) limb. This extinct volcano towers nearly 16 miles (25 km) above the surrounding plains and is about 250 miles (400 km) across.
[upper right]: This is a color polar view of the north polar region, showing the location of the storm relative to the classical bright and dark features in this area. The color composite data (410, 502, and 673 nm) indicate that the storm is fairly dust-free and therefore likely composed mostly of water ice clouds. The bright surface region beneath the eye of the storm can be seen clearly. This map covers the region north of 45 degrees latitude and is oriented with 0 degrees longitude at the bottom.
[lower right]: This is an enhanced orthographic view of the storm centered on 65 deg. N latitude, 85 deg. W longitude. The image has been processed to bring out additional detail in the storm's spiral cloud structures.
The pictures were taken on April 27, 1999 with the NASA Hubble Space Telescope's Wide Field and Planetary Camera 2
Original Caption Released with Image
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Addition Date:
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1999-05-21
Addition_Date
1999-05-21
Addition Date
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Produced By:
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Space Telescope Science Institute
Produced_By
Space Telescope Science Institute
Produced By
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Mission:
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Hubble Space Telescope (HST)
Mission
Hubble Space Telescope (HST)
Mission
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Spacecraft:
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Hubble Space Telescope
Spacecraft
Hubble Space Telescope
Spacecraft
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Target Name:
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Mars
Target_Name
Mars
Target Name
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Is a satellite of:
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Sol (our sun)
Is_a_satellite_of
Sol (our sun)
Is a satellite of
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Instrument:
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Wide Field Planetary Camera 2
Instrument
Wide Field Planetary Camera 2
Instrument
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Product Size:
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2827 samples x 1723 lines
Product_Size
2827 samples x 1723 lines
Product Size
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Primary Data Set:
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Space Telescope Science Institute
Primary_Data_Set
Space Telescope Science Institute
Primary Data Set
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Producer ID:
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STSCI-PRC99-22
Producer_ID
STSCI-PRC99-22
Producer ID
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facet_what:
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Sun
facet_what
Sun
facet_what
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facet_what:
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Polar
facet_what
Polar
facet_what
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facet_what:
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Mars
facet_what
Mars
facet_what
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facet_what:
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Camera 2
facet_what
Camera 2
facet_what
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facet_what:
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Wide Field Planetary Camera 2
facet_what
Wide Field Planetary Camera 2
facet_what
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facet_what:
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Hubble Space Telescope (HST)
facet_what
Hubble Space Telescope (HST)
facet_what
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facet_where:
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Mars
facet_where
Mars
facet_where
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facet_where:
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Jet Propulsion Laboratory (JPL)
facet_where
Jet Propulsion Laboratory (JPL)
facet_where
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facet_where:
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Washington, D.C.
facet_where
Washington, D.C.
facet_where
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facet_when:
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April 27, 1999
facet_when
April 27, 1999
facet_when
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facet_when_year:
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1999
facet_when_year
1999
facet_when_year
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Image #:
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PIA01545
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UID:
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SPD-PHOTJ-PIA01545
UID
SPD-PHOTJ-PIA01545
UID
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orignial url:
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orignial_url
orignial url
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